Other names: NIST Reference on Constants, Units, and Uncertainty, Values of Fundamental Physical Constants
This database gives values of the basic constants and conversion factors of physics and chemistry resulting from the 2002 least-squares adjustment of the fundamental physical constants as published by the CODATA Task Group on Fundamental Constants and recommended for international use by CODATA.
avogadro constant faraday newtonian gravitational constant planck's constant qhe conversion factors elementary charge fine-structure constant free electron g factor measurement physical constants quantum hall effect self-consistent values velocity of light in vacuum